[jira] [Created] (AMBARI-12292) Multiple Hosts Maintenance Mode results in error 'More than one result was returned by Query.getSingleResult()'

[Hari Sekhon (JIRA)]

Hari Sekhon created AMBARI-12292:
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             Summary: Multiple Hosts Maintenance Mode results in error 'More 
than one result was returned by Query.getSingleResult()'
                 Key: AMBARI-12292
                 URL: https://issues.apache.org/jira/browse/AMBARI-12292
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server, ambari-web
    Affects Versions: 2.0.0
         Environment: HDP 2.2
            Reporter: Hari Sekhon
            Priority: Minor
         Attachments: Ambari_more_than_one_result.png, ambari-server.log

When going through Hosts -> select multiple -> Actions -> Selected Hosts -> 
Hosts -> Turn on Maintenance Mode the following exception message results

{code}
javax.persistence.NonUniqueResultException: More than one result was returned 
from Query.getSingleResult()
{code}

I am attaching a screenshot and the ambari server log



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